Alert archive / Ohio / Heat Advisories in 2011
Heat Advisory 3, NWS Wilmington, OH
NWS Wilmington, OH issued this heat advisory at Jul 17, 2011, 3:40 PM EDT for 32 counties in Ohio; 12 counties in Kentucky; 8 counties in Indiana. It took effect at Jul 18, 2011, 12:00 PM EDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Jul 17, 2011, 3:40 PM EDT (19:40 UTC)
- In effect from
- Jul 18, 2011, 12:00 PM EDT
- Expired
- Jul 18, 2011, 9:00 PM EDT
- In force
- 9 hr
- Issued by
- NWS Wilmington, OH
All 52 counties
Dearborn County, IN, Fayette County, IN, Franklin County, IN, Ohio County, IN, Ripley County, IN, Switzerland County, IN, Union County, IN, Wayne County, IN, Boone County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Gallatin County, KY, Grant County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Adams County, OH, Auglaize County, OH, Brown County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Darke County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Greene County, OH, Hamilton County, OH, Hardin County, OH, Highland County, OH, Hocking County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Pickaway County, OH, Pike County, OH, Preble County, OH, Ross County, OH, Scioto County, OH, Shelby County, OH, Union County, OH, Warren County, OH
The radar
The Cincinnati radar (KILN), 20 km from the middle of the area, began a volume at 19:41 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.7 hours before the alert went out and 22 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 803 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 606 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Wilmington, OH wrote its last area forecast discussion before this heat advisory went out at Jul 17, 1:57 PM EDT, 1 hour 43 minutes earlier.
Area forecast discussion, Jul 17, 1:57 PM EDT, 1 hour 43 minutes before
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</html>Hazardous weather outlook, Jul 17, 3:38 PM EDT, 2 minutes before
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Special weather statement, Jul 17, 3:28 PM EDT, 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILMINGTON OH 328 PM EDT SUN JUL 17 2011 INZ050-058-059-066-OHZ026-034-035-042>046-051>056-060>065-070>074- 080-082-180000- WAYNE-FAYETTE IN-UNION IN-FRANKLIN IN-HARDIN-MERCER-AUGLAIZE- DARKE-SHELBY-LOGAN-UNION OH-DELAWARE-MIAMI-CHAMPAIGN-CLARK- MADISON-FRANKLIN OH-LICKING-PREBLE-MONTGOMERY-GREENE-FAYETTE OH- PICKAWAY-FAIRFIELD-BUTLER-WARREN-CLINTON-ROSS-HOCKING-HIGHLAND- PIKE- INCLUDING THE CITIES OF...RICHMOND...CONNERSVILLE...LIBERTY... BROOKVILLE...KENTON...CELINA...WAPAKONETA...GREENVILLE...SIDNEY... BELLEFONTAINE...MARYSVILLE...DELAWARE...PIQUA...URBANA... SPRINGFIELD...LONDON...COLUMBUS...NEWARK...EATON...DAYTON... XENIA...WASHINGTON COURT HOUSE...CIRCLEVILLE...LANCASTER... HAMILTON...LEBANON...WILMINGTON...CHILLICOTHE...LOGAN... HILLSBORO...PIKETON 328 PM EDT SUN JUL 17 2011 ...HIGH HEAT AND HUMIDITY CONTINUES TO AFFECT THE REGION TODAY... SOUTHERLY FLOW ON THE BACKSIDE OF HIGH PRESSURE IS ALLOWING A WARM AND HUMID AIRMASS TO DOMINATE THE REGION TODAY. HEAT INDICIES IN THE LOWER TO MID 90S CAN BE EXPECTED THIS AFTERNOON....AND WILL BE SLOW TO FALL THIS EVENING. BY 8 PM...HEAT INDEX VALUES WILL DIMINISH. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER. INZ073>075-080-KYZ089>100-OHZ077>079-081-088-180000- RIPLEY-DEARBORN-OHIO-SWITZERLAND-CARROLL-GALLATIN-BOONE-KENTON- CAMPBELL-OWEN-GRANT-PENDLETON-BRACKEN-ROBERTSON-MASON-LEWIS- HAMILTON-CLERMONT-BROWN-ADAMS-SCIOTO- INCLUDING THE CITIES OF...VERSAILLES...LAWRENCEBURG... RISING SUN...VEVAY...CARROLLTON...WARSAW...BURLINGTON... INDEPENDENCE...ALEXANDRIA...OWENTON...WILLIAMSTOWN...FALMOUTH... BROOKSVILLE...MOUNT OLIVET...MAYSVILLE...VANCEBURG...CINCINNATI... MILFORD...GEORGETOWN...WEST UNION...PORTSMOUTH 328 PM EDT SUN JUL 17 2011 ...INCREASING HEAT AND HUMIDITY TO AFFECT THE REGION TODAY... SOUTHERLY FLOW ON THE BACKSIDE OF HIGH PRESSURE WILL ALLOW A WARM AND HUMID AIRMASS TO WORK INTO THE REGION TODAY. HEAT INDICIES IN THE UPPER 90S CAN BE EXPECTED THIS AFTERNOON. BY 8 PM...HEAT INDEX VALUES WILL LESSEN. TAKE EXTRA PRECAUTIONS IF YOU WORK OR SPEND TIME OUTSIDE. WEAR LIGHT WEIGHT AND LOOSE FITTING CLOTHING WHEN POSSIBLE AND DRINK PLENTY OF WATER.
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 2:58 AM EDT | Areal Flood Advisory | ILN | Adams, Brown | 3 hr |
| Jul 17, 7:05 PM EDT | Areal Flood Advisory | ILN | Brown | 115 min |
| Jul 17, 7:29 AM EDT | Areal Flood Advisory | ILN | Pendleton | 2 hr |
| Jul 17, 4:29 PM EDT | Areal Flood Advisory | ILN | Bracken, Grant, Pendleton | 2 hr |
| Jul 17, 5:32 PM EDT | Special Weather Statement | ILN | Owen | 43 min |
| Jul 17, 5:38 PM EDT | Areal Flood Advisory | ILN | Grant, Owen | 89 min |
| Jul 17, 6:07 PM EDT | Flash Flood Warning | ILN | Grant, Owen | 113 min |
| Jul 17, 6:59 PM EDT | Areal Flood Advisory | ILN | Ripley | 2 hr |
Nearby
Heat Advisories in Ohio, 2011Heat Advisories in Kentucky, 2011Heat Advisories in Indiana, 2011Every heat advisory in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.